In medium bowl, combine chicken, soy sauce and sherry; set aside.,In a 12-inch skillet or wok, stir-fry cashews in hot oil over high heat for 1 to 2 minutes or until browned.,Lift out with a slotted spoon and set aside.,Add the chicken mixture to the skillet.,Stir-fry over high heat for 2 to 3 minutes or until just done.,Stir in hoisin sauce and cashews.,If desired, sprinkle with sliced green onion.,Serve at once with hot cooked rice.,______